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Finding the Fourth Proportional to 94.96, 142.22 and 67.46

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Solution

The fourth proportional to 94.96, 142.22 and 67.46 is: 101.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.96 : 142.22 = 67.46 : x
  2. Step 2: Convert to fraction form
    94.96/142.22 = 67.46/x
  3. Step 3: Cross multiply
    94.96x = 142.22 × 67.46
  4. Step 4: Simplify right side
    94.96x = 9,594.16
  5. Step 5: Solve for x
    x = 9,594.16/94.96
  6. Step 6: Final answer
    x = 101.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.